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Finding the Third Proportional to 39,036.94 and 84,629.81

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Solution

The third proportional to 39,036.94 and 84,629.81 is: 183,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,036.94 : 84,629.81 = 84,629.81 : x
  2. Step 2: Convert to fraction form
    39,036.94/84,629.81 = 84,629.81/x
  3. Step 3: Cross multiply
    39,036.94x = 84,629.81 × 84,629.81
  4. Step 4: Simplify right side
    39,036.94x = 7,162,205,163.79
  5. Step 5: Solve for x
    x = 7,162,205,163.79/39,036.94
  6. Step 6: Final answer
    x = 183,472.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.